ZSU-23-4 Shilka [[~!~ANTI~!~]] [[~!~AIRCRAFT~!~]] [[~!~GUN~!~]]

Etymology. The acronym "ZSU" stands for Zenitnaya Samokhodnaya Ustanovka (Russian: Зенитная Самоходная Установка), meaning "anti-aircraft self-propelled system"; the "23" signifies the bore diameter in millimeters; the "4" signifies the number of gun barrels. It is named after the Shilka River in Russia. Afghan soldiers nicknamed it the "sewing machine" due to the sound of firing guns. It is also referred to by its nickname of "Zeus", derived from the Russian acronym. ZSU-23-4 "Shilka" Type Self-propelled anti-aircraft gun Place of origin Soviet Union Service history In service 1960–present Used by See Operators Wars See Combat history Production history Designed 1957–1960 Manufacturer Mytishchi Machine-Building Plant (MMZ) Produced 1964–1982 No. built About 6,500[1] Specifications Mass 19 tonnes[2][3] Length 6.535 m (21 ft 5.3 in)[2] Width 3.125 m (10 ft 3.0 in)[2] Height 2.576 m (8 ft 5.4 in) 3.572 m (11 ft 8.6 in) with radar elevated[3][4] Crew 4 (commander, driver, gunner, radar operator) Armor Welded steel, 9.2 mm (0.36 in) turret, up to 15 mm hull Main armament 4 × 23 mm 2A7 autocannons (AZP-23 "Amur" quad automatic anti-aircraft gun), ammunition 2,000 rounds Engine V-6R, 6-cylinder 4-stroke airless-injection water-cooled 20-litre diesel 280 hp (209 kW) at 2,000 rpm[5] Power/weight 14.7 hp/tonne (11.0 kW/tonne) Suspension Individual torsion bar Ground clearance 375 mm (14.8 in)[2] Fuel capacity 515 l[6] Operational range 450 km (road), 300 km (off-road)[7] Maximum speed 50 km/h (31 mph) road 30 km/h (19 mph) off-road[7]